The Serengeti, a vast ecosystem spanning northern Tanzania and southwestern Kenya, is renowned for its incredible biodiversity and the awe-inspiring annual migration of millions of wildebeest and ...

狼！草原中的顶级捕食者，荒野之王。但你见过狼打滚吗？在一个视频中，狼对着一块石头蹭来蹭去，而且还放下防备，像猫一样在地上不断扭动身体。一只狼独乐乐还不够，狼又叫来自己的狼伙伴，两个人一起围着这块大石头打滚，白天来，晚上来，有三只狼甚至为了这块石头“争 ...